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6-17.

Write an algebraic expression for each mat below. Then use the legal moves that you have developed to simplify each mat. If possible, decide which expression is greater.  

Shaded tile is plus 1.  Tile is negative 1.

  1. Expression Comparison Mat, with tiles as follows: Mat A, 4 positive x's, 2 negative x's, 2 positive units, and 1 negative unit. Mat B, 4 positive x's, 2 negative x's, 6 positive units, and 4 negative units.

  1. Expression Comparison Mat, with tiles as follows: Mat A, 5 positive x's, 2 negative x's, 3 positive units, and 1 negative unit. Mat B, 5 positive x's, 2 negative x's, 6 positive units, and 4 negative units.

Use the virtual algebra tiles in the eTool to find out which side is greater.
Click the link at right for the full version of the eTool: 6-17a HW eTool (CPM)

Use the virtual algebra tiles in the eTool to find out which side is greater.
Click the link at right for the full version of the eTool: 6-17b HW eTool (CPM)